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Pityriasis rosea typically begins with an oval, slightly raised, scaly patch — called the herald patch — on the face, back, chest or abdomen. Before the herald patch appears, some people have headache, fatigue, fever or sore throat.
Pityriasis rosea, a rash that usually appears on the torso, upper arms, thighs, or neck, may sound worse than it really is. The condition has a name that’s hard to say: pit-ih-RIE-uh-sis...
What does pityriasis rosea look like and feel like? What people feel and see on their skin can differ. The following explains how pityriasis rosea tends to develop and progress. It’s common to develop a single herald patch on your skin. This patch is usually oval or round and slightly raised.
The symptoms of pityriasis rosea usually develop in stages: You may initially develop a fever, headache or upper respiratory infection. You may develop a raised, discolored, circular or oval-shaped patch that ranges from 1 to 6 centimeters (cm).
What are the symptoms of pityriasis rosea? Symptoms can occur a bit differently in each person. In some people, the rash shows up 1 to 2 weeks after symptoms such as: Headache. Sore throat. Nausea. Stuffy nose. Fever. The rash often starts with one large, scaly patch in the shape of a circle or oval. This is called a herald or mother patch.
In most cases, your health care provider can identify pityriasis rosea by looking at the rash. You might need a scraping or possibly a skin biopsy, which involves taking a small piece of the rash for testing. This test can help tell a pityriasis rosea rash from other, similar rashes.
Symptoms are interfering with your everyday life. If itching or another symptom makes your everyday tasks uncomfortable or difficult, treatment can help. A symptom like itch is the same or worsening after 2 months. The rash lasts longer than 3 months. Most people don’t need treatment and can get relief with at-home self-care.
Except for mild to severe itching in up to 25% of patients, no systemic symptoms are typically present during the rash phase of pityriasis rosea. A few days before the rash develops, up to 69% have flu-like symptoms eg, cough or sore throat.
Symptoms and Signs of Pityriasis Rosea The condition classically begins with a single, primary, 2- to 10-cm herald patch that appears on the trunk or proximal limbs. A general centripetal eruption of 0.5- to 2-cm rose- or fawn-colored oval papules and plaques follows within 7 to 14 days.
The most common symptoms are itching and an initial large, tan-colored or rose-colored circular patch that is followed by multiple patches that appear on the torso. The diagnosis is based on symptoms. This disease usually resolves with no treatment, and itching that is not severe may be alleviated with artificial or natural sunlight.